WEBVTT 'S CONTRACT ENDS IN JULY.>> A LONG-STANDING TRADITIONRETURNED TO THE MIT CAMPUS INCAMBRIDGE, MASSACHUSETTS TODAY.THE PIANO DROP>> [CHEERING]>> I HOPE THAT WAS NOT ASTEINWAY.FOR NEARLY 40 YEARS, MITSTUDENTS HAVE TOSSED ANON-WORKING PIANO OFF THE ROOFOF A SIX-STORY DORM.PEOPLE BRING PIECES BACK TOTHE ROOM.WE HAVE LITTLE MEMORIES.>> THE EVENT MARKS THE LAST DAYSTUDENTS ARE ALLOWED TO DROP A